On Thu, Nov 04, 2021 at 09:00:01AM -0700, Dan Williams wrote:
> > Any idea what might be missing in the attached config? This seems to
> > be independent of the tested kernel version (5.14, 5.15, master).
>
> Can you share your qemu command line
qemu-system-x86_64 -enable-kvm \
-machine pc,nvdimm=on \
-m 4096,slots=8,maxmem=32G \
-smp 4 \
-kernel arch/x86/boot/bzImage \
-append "root=/dev/vda1 console=ttyS0,115200n8" \
-nographic \
-drive if=virtio,file=/home/hch/images/jessie.img,cache=none \
-object
memory-backend-file,id=mem0,mem-path=/home/hch/images/test.img,share=yes,prealloc=no,align=128M,size=10G
\
-device nvdimm,id=nvdimm0,memdev=mem0,slot=0,label-size=2M \
-object
memory-backend-file,id=mem1,mem-path=/home/hch/images/scratch.img,share=yes,prealloc=no,align=128M,size=10G
\
-device nvdimm,id=nvdimm1,memdev=mem1,slot=1,label-size=2M \
> and the output of:
>
> ndctl list -vvv
[
{
"provider":"ACPI.NFIT",
"dev":"ndbus0",
"dimms":[
{
"dev":"nmem1",
"id":"8680-57341200",
"handle":2,
"phys_id":0
},
{
"dev":"nmem0",
"id":"8680-56341200",
"handle":1,
"phys_id":0
}
],
"regions":[
{
"dev":"region1",
"size":10603200512,
"available_size":10603200512,
"max_available_extent":10603200512,
"type":"pmem",
"iset_id":52512795602891997,
"mappings":[
{
"dimm":"nmem1",
"offset":0,
"length":10603200512,
"position":0
}
],
"persistence_domain":"unknown",
"namespaces":[
{
"dev":"namespace1.0",
"mode":"raw",
"size":0,
"uuid":"00000000-0000-0000-0000-000000000000",
"sector_size":512,
"state":"disabled"
}
]
},
{
"dev":"region0",
"size":10603200512,
"available_size":10603200512,
"max_available_extent":10603200512,
"type":"pmem",
"iset_id":52512752653219036,
"mappings":[
{
"dimm":"nmem0",
"offset":0,
"length":10603200512,
"position":0
}
],
"persistence_domain":"unknown",
"namespaces":[
{
"dev":"namespace0.0",
"mode":"raw",
"size":0,
"uuid":"00000000-0000-0000-0000-000000000000",
"sector_size":512,
"state":"disabled"
}
]
}
]
}
]
